Since the EDCOR XPWR005 has two 6.3V windings are there any pros to connect each of them to a separate 6L6GC tube? And what is the correct connection if we want to get 12.6V for a DC heating for the 6SL7?
Sorry for this Paint draw..
Re: DC heating for 6SL7
Posted: Tue Nov 10, 2015 12:20 am
by battradio
Use two bridge rectifiers one for each 6 volt winding and sum the output of the bridges in series and you will get enough voltage to regulate it to 12 volts , use a separate 2200 uf 25 wvdc cap on each bridge .
Re: DC heating for 6SL7
Posted: Tue Nov 10, 2015 1:46 am
by umenn
Thank you. You mean something like this? Looks good for me. Should I ground the DC circuit somewhere?
Re: DC heating for 6SL7
Posted: Tue Nov 10, 2015 9:35 am
by battradio
That should work fine , you can't ground the 6SL7 because of the 0ther two grounds . Use a .1 uf cap off the negative end of the filament of the 6SL7 .